0 New HSK word(s):

0 Old HSK word(s):

黑匣子 [hei1 xia2 zi3]

Blackbox ( Flugschreiber ) (S, Tech)
话匣子 [hua4 xia2 zi5]

GrammophonGrammofon (S, Tech)Sprechdose (S, Tech)
匣子 [xia2 zi5]

Kästchen (S)